Home / 15,249.90-21,048.14-9,283.50

Finding the Fourth Proportional to 15,249.90, 21,048.14 and 9,283.50

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Solution

The fourth proportional to 15,249.90, 21,048.14 and 9,283.50 is: 12,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.90 : 21,048.14 = 9,283.50 : x
  2. Step 2: Convert to fraction form
    15,249.90/21,048.14 = 9,283.50/x
  3. Step 3: Cross multiply
    15,249.90x = 21,048.14 × 9,283.50
  4. Step 4: Simplify right side
    15,249.90x = 195,400,407.69
  5. Step 5: Solve for x
    x = 195,400,407.69/15,249.90
  6. Step 6: Final answer
    x = 12,813.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.